| 歧口凹陷未熟-低熟烃源岩生烃组分研究 |
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| 引用本文： | 刘庆新,王书香,孙超囡,汪晓敏,朱薇.歧口凹陷未熟-低熟烃源岩生烃组分研究[J].矿物岩石,2012,32(1):89-93. |
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| 作者姓名： | 刘庆新 王书香 孙超囡 汪晓敏 朱薇 |
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| 作者单位： | 大港油田公司勘探开发研究院,天津,300280 |
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| 摘 要： | 有机岩石学全岩分析结果表明,歧口凹陷未熟-低熟烃源岩中显微组分含量平均占全岩体积的4.64%,矿物沥青基质含量相对偏低。显微组分中富含腐泥组,惰质组含量很低,相对发育壳质组和镜质组,具有藻类等低等水生生物与高等植物混合生源的特点。藻类体是歧口凹陷主要的生烃组分,矿物沥青基质是歧口凹陷烃源岩中值得重视的生烃组分。
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| 关 键 词： | 藻类体 矿物沥青基质 生烃组分 未熟-低熟烃源岩 歧口凹陷 |
EVOLUTION OF ORGANIC MATTER OF IMMATURE SOURCE ROCK IN QIKOU SAG |
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| LIU Qing-xin
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WANG Shu-xiang
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SUN Chao-nan
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WANG Xiao-min
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ZHU Wei.EVOLUTION OF ORGANIC MATTER OF IMMATURE SOURCE ROCK IN QIKOU SAG[J].Journal of Mineralogy and Petrology,2012,32(1):89-93. |
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| Authors: | LIU Qing-xin WANG Shu-xiang SUN Chao-nan WANG Xiao-min ZHU Wei |
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| Institution: | ( Research Institute of Petroleum Exploration and Development,Dagang Oilfield Company,Tianjin 300280,China) |
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| Abstract: | Whole-rock analysis of organic petrology indicates that the average maceral content of immature source rocks in the Qikou sag makes up 4.64% of the whole rock volume and the mineral-bituminous groundmass content is relatively low.The maceral is rich in sapropel but lack of inertinit,and relatively rich int exinite and vitrinite,showing characteristics of mixture of hydrobiological macerals and terrestrial macerals.It is considered that the alginite is the main hydrocarbon-generating maceral for immature source rocks and mineral-bituminous groundmass is another hydrocarbon generation components for immature source rocks in the Qikou sag. |
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| Keywords: | alginite mineral-bituminous groundmass evolution of organic matter immature source rock Qikou sag |
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